Sound power telephone



FIG. 1 is a front elevation of the sound power telephone incorporating my new design;

FIG. 2 is a bottom plan view of the sound power telephone assembly shown in FIG. 1;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left elevation thereof;

FIG. 6 is a right elevation thereof;

FIG. 7 is a front elevation with the door of the door of the container in the open position; and

FIG. 8 is a perspective view the front left with the door of the container partially broken away in the open position, for convenience of illustration. 

The ornamental design for a sound power telephone, as shown and described. 